CN106622676B - A kind of mineral flotation foaming agent and its preparation method and application - Google Patents
A kind of mineral flotation foaming agent and its preparation method and application Download PDFInfo
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- CN106622676B CN106622676B CN201611207317.8A CN201611207317A CN106622676B CN 106622676 B CN106622676 B CN 106622676B CN 201611207317 A CN201611207317 A CN 201611207317A CN 106622676 B CN106622676 B CN 106622676B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/016—Macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/04—Frothers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
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Abstract
The invention discloses a kind of mineral flotation foaming agent and its preparation method and application, mineral flotation foaming agent includes modified X oil, C2~C4Fatty alcohol and C5~C8Fatty alcohol, the active component that the modified X oil includes is phosphate, cyclohexenyl hexamethylene ketone, cyclohexyl ring hexanone and hexamethylene ether etc., and preparation method successively carries out esterification with phosphorus pentachloride using X oil as raw material, is hydrolyzed and reacts with water, obtain modified X oil, modified X oil and C2~C4Fatty alcohol and C5~C8Fatty alcohol mixes to get mineral flotation foaming agent；The preparation method raw material sources are wide, at low cost, easy to operate, process conditions are mild, the mineral flotation foaming agent of preparation is used for mineral floating, have the advantages that frothing capacity is good, dosage is few, smell is low, is particularly adapted to the flotation of metal sulfide, metal oxide ore or nonmetallic ore.
Description
Technical field
The present invention relates to a kind of mineral flotation foaming agents, and in particular to a kind of to be prepared using Utilize Cyclohexane Oxidation By-Product X oil
Mineral flotation foaming agent belong to mine especially suitable for the flotation of the mineral such as metal sulfide, metal oxide ore or nonmetallic ore
Object flotation preparation technique field.
Background technique
During cyclohexane oxidation preparing cyclohexanone and cyclohexanol, there is a kind of by-product to be known as X oil, discharge rate accounts for about ring
The 5%~8% of hexanone yield.Due to the development of China's polyamide fibre chemical fibre industry, the output of cyclohexanone is expanded rapidly, every year up to 10
Ten thousand t or more, byproduct X oil yield are big.X oil appearance is brownish black thick liquid, is burnt up at present mainly as fuel, application range
It is relatively narrow, domestic there are also the patent utilized about X oil but fewer, as patent CN104177218A disclose it is a kind of from ring
The method of main component is recycled in hexanone by-product-X oil, including pre-processes, add hydrogen, hydrolysis and often-four part of rectification under vacuum,
Recovery processing process is complex.If being able to achieve the comprehensive utilization of X oil, its added value of product is improved, no matter from environmental angle
Or economic benefit angle has great significance.
Worldwide most of mineral resources useful constituent comparision contents are low, it is necessary to process ability by mineral resources
It improves its useful constituent content and is subject to later use, flotation is most widely used side in mineral resources processing technique field again
Method.Floatation frother is one of most important floating agent in mineral resources process, in order to make valuable mineral and gangue mine
Object efficiently separates, and is often required to generate a large amount of foams using foaming agent, forms a large amount of gas-liquid interfaces, valuable mineral is made to be enriched in gas-liquid
Interface is floated and is separated with gangue, and influence of the performance of foaming agent to floatation indicators is very significant.Foaming agent is usually polar
Surface reactive material contains polar group in the molecular structure, hydrophilic to enter liquid phase, such as hydroxyl, carboxyl, ether, molecule
The other end is non-polar group, and close gas enters gas phase, such as alkyl, so that blistering agent molecule generates orientation on gas-liquid interface
Arrangement.Foreign countries are methyl isobutyl carbinol (MIBC) using more extensive floatation frother.MIBC is contracted by raw material of acetone
Made of conjunction, due to the limitation of current domestic production technology, substantially based on import, price is relatively high, constrains MIBC in state
Interior application.The artificial synthesized foaming agent type in China is fewer, uses the terpene compound-pine refined from pine tar always
Oleyl alcohol, there are many defects for terpinol foaming agent, from the point of view of floatation process feature, the inclined medium size of foam that terpinol generates,
Microvesicle is less, is unfavorable for the attachment of particulate mine, and the particulate rate of recovery is low.Meanwhile terpinol smell is very big, influences human health, with
The terpinol of tailings discharging, biological degradability is poor, has pollution to aquatic organism and environment.
It is existing both at home and abroad largely to report in terms of the research of novel foaming agent.Chinese patent CN1403206A disclose by
Branched alcohol and ethylene oxide or propylene oxide ratio ingredient as required, and the alkali of material quantity total weight 0.3%~1% is added
The oxide of metal K, Na make catalyst, anti-at a temperature of 0.01~1.2MPa pressure, 170~190 DEG C in a high pressure reaction kettle
It is depressured to normal pressure after answering 2~3 hours, is cooled to 50 DEG C hereinafter, the method that foaming agent is obtained by filtration.Chinese patent
CN102614994A is disclosed using monohydric alcohol and polyalcohol as raw material, under the effect of the catalyst 70~90 DEG C in inert environments
Reaction 1~3 hour is cooled to room temperature and adjusts product pH value to the neutral method for obtaining foaming agent.Chinese patent
CN103721854A is disclosed with n-butyl alcohol (C4H10O the main foaming agent of flotation, tetraethylene glycol (C) are used as8H18O5) it is auxiliary blowing agent
Method.
So far, the foaming agent used in mineral processing production practice is still based on terpenic oil and MIBC.Terpenic oil derives from
The active constituent content of natural plants, complicated component, common pine camphor oil product is only 50% or so.And MIBC is expensive, no
Conducive to popularization and application.Therefore, X oil is modified and is applied to floatation frother, be expected to promote the resource utilization of X oil and rise
The development of infusion.
Summary of the invention
In view of the defects existing in the prior art, that the purpose of the invention is to provide a kind of foams performances is good, smell is low, peace
The mineral flotation foaming agent that loopful is protected.
Another object of the present invention is to be to provide that a kind of raw material sources are wide, at low cost, easy to operate, process conditions temperature
The method for preparing the mineral flotation foaming agent of sum.
Third object of the present invention is the application for being to provide a kind of mineral flotation foaming agent in mineral floating, tool
Have the advantages that frothing capacity is good, dosage is few, smell is low, is particularly adapted to metal sulfide, metal oxide ore or nonmetallic ore
Flotation.
In order to achieve the above technical purposes, the present invention provides a kind of mineral flotation foaming agents, including following quality percentage
Compare component：
Modified X oil 70%~85%；
C2~C4Fatty alcohol 10%~20%；
C5~C8Fatty alcohol 2%~10%；
The mass percentage content of each active component is in the modification X oil：
Phosphate 4%~13%；
Cyclohexenyl hexamethylene ketone 20%~30%；
Cyclohexyl ring hexanone 2%~10%；
Hexamethylene ether 20%~40%；
The phosphonate ester has 1 structure of formula：
Wherein,
R1Selected from H ,-OH or C1~C4Alkyl；
R2And R3It is independently selected from 2 building stone of-OH or formula.
Preferred scheme, the C2~C4Fatty alcohol is selected from isobutanol.
Preferred scheme, the C5~C8Fatty alcohol is selected from isooctanol.
The present invention also provides the preparation methods of the mineral flotation foaming agent described in one kind, and this approach includes the following steps：
1) it after phosphorus pentachloride and X oil carry out esterification, is hydrolyzed and reacts with water, during hydrolysis product is neutralized to
Property, it stands, carries out grease layering, oil reservoir is modified X oil；
2) modification X oil and C described in2~C4Fatty alcohol and C5~C8Fatty alcohol mixes to get mineral flotation foaming agent.
Preferred scheme, the X oil are Utilize Cyclohexane Oxidation By-Product, including following mass percent component：Cyclohexanol
Analog derivative 5%~10%；Cyclohexenyl hexamethylene ketone 20%~30%；Cyclohexyl ring hexanone 2%~10%；Hexamethylene ether 20%~
40%；Surplus is cyclohexanone and oligomer.
The condition of preferred scheme, the esterification is：Reaction temperature is 25~60 DEG C, and the reaction time is 1~3h.
The condition of preferred scheme, the hydrolysis is：Reaction temperature is 25~60 DEG C, and the reaction time is 1~3h.
The mass percent of preferred scheme, the phosphorus pentachloride and X oil is 5%~20%:80%~95%.
The volume ratio of preferred scheme, the water and X oil is 1:3~2:3.
The present invention also provides the applications of the mineral flotation foaming agent, are applied to mineral floating.
Preferred scheme, the mineral are at least one of metal sulfide, metal oxide ore, nonmetallic ore.
Preferred scheme, in floatation process, the mineral flotation foaming agent is 10~100g/t with respect to the dosage of mineral.
The specific preparation method of mineral flotation foaming agent of the invention, includes the following steps：
1) phosphorus pentachloride is added in X oil, is stirred to react 1~3h at 25~60 DEG C, adds water, hydrolyzed at 25~60 DEG C
1~3h is reacted, the mixture of phosphate ester-containing is obtained；
2) mixture of phosphate ester-containing alkaline solution adjusts product pH to neutrality, stands to grease and is layered, oil is mutually
Modified X oil；
3) C is sequentially added in modified X oil2~C4Fatty alcohol, C5~C8Fatty alcohol is uniformly mixed, and parts by weight group becomes
Modified X oil 70%~85%, C2~C4Fatty alcohol 10%~20%, C5~C8Fatty alcohol 2%~10%.
In floatation frother preparation process of the invention, the chemical reaction mainly occurred is as follows：
ROH+PCl5→RCI+POCl3+HCI
The foaming agent includes the components such as 3%~5% cyclohexanone and oligomer.
Preferred scheme, alkaline solution include sodium hydroxide solution, calcium hydroxide solution, sodium carbonate liquor, unsaturated carbonate
At least one of hydrogen sodium solution.It is preferred that saturated sodium bicarbonate solution.
Preferred scheme, modified X oil are removed water using anhydrous sodium sulfate, and the dosage of anhydrous sodium sulfate is with respect to X oil quality
2~10%.
Compared with the prior art, technical solution of the present invention bring advantageous effects：
1) using cyclohexane oxidation by-product X oil as raw material, X oil is difficult to recycle technical solution of the present invention at present, pollutes
Environment is used generally as fuel, and technical solution of the present invention can be by simple process by Utilize Cyclohexane Oxidation By-Product X oil
Row recycles, and produces the mineral flotation foaming agent product with higher economic value, not only solves environmental issue, simultaneously
Economic value is produced, there is preferable economic prospect.
2) technical solution of the present invention prepare mineral flotation foaming agent method is simple, process conditions are mild, be conducive to drop
Low reaction energy consumption, while being convenient for the control of reaction process, and do not need to purify product, greatly reduce production cost.
3) the mineral flotation foaming agent smell of technical solution of the invention preparation is low, nonflammable, safety and environmental protection, and each group
/ synergistic effect it is obvious, frothing capacity is good, and dosage is small in use, especially suitable for metal sulfide, metal
The flotation of the mineral such as oxide ore or nonmetallic ore.
Detailed description of the invention
【Fig. 1】It is the infrared spectrogram of phosphate in modified X oil；
【Fig. 2】It is the nuclear magnetic resonance phosphorus spectrogram of phosphate in modified X oil；
【Fig. 3】It is the LC-MS spectrogram of phosphate in modified X oil；
【Fig. 4】It is frothing capacity test device figure；
【Fig. 5】It is copper-sulphide ores flotation process figure；
【Fig. 6】It is fluorite process flow chart；
【Fig. 7】It is manganese carbonate mineral processing circuit figure.
Specific embodiment
Technical solution of the present invention is illustrated with specific example below, but the scope of the present invention is not limited thereto.Except spy
Different explanation is outer, and percentage and number of the present invention refer both to quality.
The X oil used in following embodiment is main to form for conventional Utilize Cyclohexane Oxidation By-Product：Cyclohexanol kind derivative
5%~10%；Cyclohexenyl hexamethylene ketone 20%~30%；Cyclohexyl ring hexanone 2%~10%；Hexamethylene ether 20%~40%；It is remaining
Amount is cyclohexanone and oligomer.
Embodiment 1
The preparation of modified X oil：
15.79 parts of phosphorus pentachlorides are slowly evenly added into 300 parts of X oil, are stirred to react under the conditions of 25 DEG C 1 hour
Obtain mixture.100 parts of water are at the uniform velocity added dropwise into mixture, time for adding 10min is stirred under the conditions of 25 DEG C after being added dropwise
It mixes reaction and obtains the reaction solution of phosphate ester-containing in 1 hour.Reaction solution pH is adjusted to neutrality with saturated sodium bicarbonate aqueous solution, is stood extremely
Grease layering takes oil reservoir that 15 parts of anhydrous sodium sulfates is added to be drying to obtain modified X oil.It is computed, phosphorus pentachloride conversion ratio is close
100%, phosphate is selectively 90.3%.
Embodiment 2
The preparation of modified X oil：
15.79 parts of phosphorus pentachlorides are slowly evenly added into 300 parts of X oil, are stirred to react under the conditions of 25 DEG C 2 hours
Obtain mixture.100 parts of water are at the uniform velocity added dropwise into mixture, time for adding 10min is stirred under the conditions of 25 DEG C after being added dropwise
It mixes reaction and obtains the reaction solution of phosphate ester-containing in 1 hour.Reaction solution pH is adjusted to neutrality with saturated sodium bicarbonate aqueous solution, is stood extremely
Grease layering takes oil reservoir that 15 parts of anhydrous sodium sulfates is added to be drying to obtain modified X oil.It is computed, phosphorus pentachloride conversion ratio is close
100%, phosphate is selectively 92.6%.
Embodiment 3
The preparation of modified X oil：
15.79 parts of phosphorus pentachlorides are slowly evenly added into 300 parts of X oil, are stirred to react under the conditions of 40 DEG C 2 hours
Obtain mixture.100 parts of water are at the uniform velocity added dropwise into mixture, time for adding 10min is stirred under the conditions of 25 DEG C after being added dropwise
It mixes reaction and obtains the reaction solution of phosphate ester-containing in 1 hour.Reaction solution pH is adjusted to neutrality with saturated sodium bicarbonate aqueous solution, is stood extremely
Grease layering takes oil reservoir that 15 parts of anhydrous sodium sulfates is added to be drying to obtain modified X oil.It is computed, phosphorus pentachloride conversion ratio is close
100%, phosphate is selectively 93.7%.
Embodiment 4
The preparation of modified X oil：
15.79 parts of phosphorus pentachlorides are slowly evenly added into 300 parts of X oil, are stirred to react under the conditions of 60 DEG C 2 hours
Obtain mixture.100 parts of water are at the uniform velocity added dropwise into mixture, time for adding 10min is stirred under the conditions of 25 DEG C after being added dropwise
It mixes reaction and obtains the reaction solution of phosphate ester-containing in 1 hour.Reaction solution pH is adjusted to neutrality with saturated sodium bicarbonate aqueous solution, is stood extremely
Grease layering takes oil reservoir that 15 parts of anhydrous sodium sulfates is added to be drying to obtain modified X oil.It is computed, phosphorus pentachloride conversion ratio is close
100%, phosphate is selectively 94.8%.
Embodiment 5
The preparation of foaming agent：
Modified 8 parts of X oil obtained by Example (1), 1.5 parts of isobutanol, 0.5 part of isooctanol, successively by isobutanol, isooctanol
It is added in modified X oil and is uniformly mixed at room temperature up to foaming agent.
Embodiment 6
The preparation of foaming agent：
Modified 8 parts of X oil obtained by Example (2), 1 part of isobutanol, 1 part of isooctanol, isobutanol, isooctanol are sequentially added
It is uniformly mixed at room temperature in modified X oil up to foaming agent.
Embodiment 7
The preparation of foaming agent：
Modified 8 parts of X oil obtained by Example (3), 1.5 parts of isobutanol, 0.5 part of isooctanol, successively by isobutanol, isooctanol
It is added in modified X oil and is uniformly mixed at room temperature up to foaming agent.
Embodiment 8
The preparation of foaming agent：
Modified 8 parts of X oil obtained by Example (4), 1 part of isobutanol, 1 part of isooctanol, isobutanol, isooctanol are sequentially added
It is uniformly mixed at room temperature in modified X oil up to foaming agent.
Embodiment 9
Application of the foaming agent in copper-sulphide ores flotation：
Yunnan copper-sulphide ores, raw ore copper grade are 0.51%, and ore grinding pulp density is 62.5%, raw ore is milled to-
200 mesh accountings 65%, are placed in flotation cell, and adjustment pulp density is 33%, and floating agent is added by following dosage：PH value adjustment
Agent is quick lime, 600g/t；Collecting agent is Isobutylxanthic acid, 40g/t；Foaming agent is foaming agent prepared by the embodiment of the present invention 5
Or terpenic oil, 22g/t.One roughing is carried out, flotation process is as shown in figure 5, test result is as shown in table 1.The number from table
According to can be seen that embodiment 5 preparation foaming agent compared with terpinol, copper recovery improves 3.32 percentage points in concentrate.
1 copper-sulphide ores flotation experimental results of table
Embodiment 10
Application of the foaming agent in fluorite flotation：
Certain fluorite green ore CaF2Grade 38.92%, ore grinding to -200 mesh account for 60%, are placed in flotation cell, floating agent
Type and dosage are：PH regulator is sodium carbonate, 1400g/t；Inhibitor is waterglass, and 400g/t, collecting agent is enuatrol,
500g/t, foaming agent are the foaming agent or terpenic oil of the embodiment of the present invention 6, the preparation of embodiment 7,20g/t.Carry out one roughing work
Industry, flotation process are as shown in Figure 6.Foaming agent and pine camphor oil flotation contrast and experiment in the present invention are shown in Table 2.It can by table
See, compared with making foaming agent using terpenic oil, flotation is carried out with foaming agent prepared by the embodiment of the present invention 6 and embodiment 7, to firefly
The rate of recovery of stone has been respectively increased 3.15 and 3.36 percentage points.
2 fluorite test result of table
Embodiment 11
Application of the foaming agent in manganese carbonate ore flotation：
The manganese grade of Guangxi low-grade manganese carbonate ore is 7.58%, and ore grinding to -100 mesh accounts for 80%, and screening obtains coarse grain
Ore and smitham；Coarse grain ore is subjected to magnetic separation, the magnetic field strength of magnetic separation is 1.5T, obtains magnetic concentrate and magnetic after magnetic separation
Select tailing, magnetic tailing is regrinded, and is milled to -200 mesh and is accounted for 80%, will be levigate after magnetic tailing and the obtained smitham of screening
It is combined into flotation；By one roughing, selected twice and once purging selection, obtain flotation concentrate and tailing；By magnetic concentrate with
Flotation concentrate merges to obtain concentrate.Medicament and dosage used in roughing be：Collecting agent is enuatrol and benzyl hydroximic acid sodium, wherein oil
Sour sodium 1200g/t, benzyl hydroximic acid sodium 150g/t；PH adjuster is sodium carbonate, and adjustment slurry pH is 8；Inhibitor is water
Glass, 2000g/t；Flocculant is starch, 500g/t；Foaming agent is foaming agent or terpenic oil prepared by the embodiment of the present invention 8,
30g/t.In primary cleaning operation, add waterglass 500g/t, recleaning and scans not adding medicine.Mineral processing circuit such as Fig. 7
Shown, beneficiation test the results are shown in Table 3.By table as it can be seen that compared with terpenic oil foaming agent, the foaming agent of the preparation of the embodiment of the present invention 8
Recovery rate of concentrate can be made to improve 2.69 percentage points, concentrate manganese grade improves 0.12 percentage point.
3 manganese carbonate ore flotation experimental results of table
Claims (10)
1. a kind of mineral flotation foaming agent, it is characterised in that：Including following mass percent component：
Modified X oil 70%~85%；
C2~C4Fatty alcohol 10%~20%；
C5~C8Fatty alcohol 2%~10%；
The mass percentage content of each active component is in the modified X oil：
Phosphonate ester 4%~13%；
Cyclohexenyl hexamethylene ketone 20%~30%；
Cyclohexyl ring hexanone 2%~10%；
Hexamethylene ether 20%~40%；
The phosphonate ester has 1 structure of formula：
Wherein,
R1Selected from H ,-OH or C1~C4Alkyl；
R2And R3It is independently selected from 2 building stone of-OH or formula.
2. mineral flotation foaming agent according to claim 1, it is characterised in that：The C2~C4Fatty alcohol is selected from isobutyl
Alcohol；The C5~C8Fatty alcohol is selected from isooctanol.
3. the preparation method of mineral flotation foaming agent of any of claims 1 or 2, it is characterised in that：Include the following steps：
1) it after phosphorus pentachloride and X oil carry out esterification, is hydrolyzed and reacts with water, hydrolysis product is neutralized to neutrality, quiet
It sets, carries out grease layering, oil reservoir is modified X oil；
2) modification X oil and C described in2~C4Fatty alcohol and C5~C8Fatty alcohol mixes to get mineral flotation foaming agent.
4. the preparation method of mineral flotation foaming agent according to claim 3, it is characterised in that：The X oil is hexamethylene
Alkoxide by-product, including following mass percent component：Cyclohexanol kind derivative 5%~10%；Cyclohexenyl hexamethylene ketone
20%~30%；Cyclohexyl ring hexanone 2%~10%；Hexamethylene ether 20%~40%；Surplus is cyclohexanone and oligomer.
5. the preparation method of mineral flotation foaming agent according to claim 3, it is characterised in that：The esterification
Condition is：Reaction temperature is 25~60 DEG C, and the reaction time is 1~3h.
6. the preparation method of mineral flotation foaming agent according to claim 3, it is characterised in that：The hydrolysis
Condition is：Reaction temperature is 25~60 DEG C, and the reaction time is 1~3h.
7. the preparation method of mineral flotation foaming agent according to claim 3, it is characterised in that：
The mass percent of the phosphorus pentachloride and X oil is 5%~20%:80%~95%；
The volume ratio of the water and X oil is 1:3~2:3.
8. the application of mineral flotation foaming agent of any of claims 1 or 2, it is characterised in that：Applied to mineral floating.
9. the application of mineral flotation foaming agent according to claim 8, it is characterised in that：The mineral are metal vulcanization
At least one of mine, metal oxide ore, nonmetallic ore.
10. the application of mineral flotation foaming agent according to claim 9, it is characterised in that：In floatation process, the mine
Object floatation frother is 10~100g/t with respect to the dosage of mineral.
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| CN115155822A (en) * | 2022-06-24 | 2022-10-11 | 湖南三林新材料有限公司 | Efficient foaming agent for copper ore flotation and preparation method thereof |
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| CN86100037A (en) * | 1986-01-07 | 1987-07-22 | 中国矿业学院北京研究生部 | Novel collecting-the foaming agent of floatation process |
| CN87107281A (en) * | 1986-12-04 | 1988-06-15 | 亨克尔两合股份公司 | In the flotation of non-sulfide ores, be used as the surfactant mixture of collecting agent |
| CN1115264A (en) * | 1994-06-21 | 1996-01-24 | 湖南省株洲洗煤厂 | Coal flotation agent compsn. and its prepn. method |
| CN102614994A (en) * | 2012-03-30 | 2012-08-01 | 河南省核力科技发展有限公司 | Foaming agent for mineral flotation and preparation method thereof |
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